双宽带，噪声，电压反馈。

Dual Wideband, Noise, Voltage Feedback.

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最后给出应用此法设计宽带双端匹配网络的例子。

Finally, an example is presented to show the application in the design of broadband double matching network.

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接下来，宽带双反射带通和导向孔箱体也有很好的效率。

Next in line, the wide-bandwidth dual-reflex and the ported enclosure exhibit very good efficiency as well.

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